## Copyright (C) 2008   Sylvain Pelissier   <sylvain.pelissier@gmail.com>
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 3 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, see 

## -*- texinfo -*-
## @deftypefn {Function File} {[@var{y}] =} wrev(@var{x})
##	Reverse the order of the element of the vector x.
## @seealso{flipud, fliplr}
## @end deftypefn

function y = wrev(x)
	if (nargin < 1|| nargin > 1); usage('wrev(x)'); end
	if(~isvector(x))
		error('x must be a vector');
	end
	l = length(x);
	k = 0:l-1;
	y = x(l-k);